You can snag a copy of geargen from here: http://www.metalworking.com/shareware.html
Sorry, but I never found the source code. Cheers, Steve Stallings > -----Original Message----- > From: Andre B. [mailto:[email protected]] > Sent: Sunday, May 24, 2009 5:44 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] [OT] Gear Tooth Form > > Have you looked at geargen11 it is an old DOS program should > still be available someplace. > > > At 09:34 AM 5/20/2009, you wrote: > >On Wed, 2009-05-20 at 04:44 -0500, Ray Henry wrote: > >... snip > > > I dropped in on the folk at Synergy the other evening and > they demoed > > > gear design for me. Answer a few questions like number > of teeth and so > > > forth and it draws it up and then writes the g-code > depending on your > > > cutter. > > > > > > They don't have a rack gear routine (yet) but we played > with that a bit > > > and it looked like the sides of the teeth are flat faced > where the exact > > > angle and distance between are a product of the nature of the gear > > > running in them. The rack's tooth profile is certainly > not a simple > > > negative of the involute tooth of the gear that runs in it. > > > > > > It was an interesting thought and drafting experiment but > I stayed well > > > short of the real math to make 'em. > > > > > > Rayh > > > >The rack tooth form is the basis for involute gears, everything else > >comes from this. The rack form is described in Machinery's > handbook and > >here: > >http://www.sdp-si.com/d785/html1/D785T007_2.html > > > >The straight sides are at the pressure angle (20 or 14.5 degrees > >usually). This trapezoidal shape, as a hob, fly cutter, or > standard #8 > >gear cutter, can be used with an A axis to cut all of the > gear diameter > >sizes with the corresponding pitch. The other key feature, > is the base > >circle which is derived from the pressure angle lines placed > with their > >intersection on the pitch circle. > >http://www.sdp-si.com/d785/html1/D785T018_1.html > > > >The diagram shows one pressure angle line, the other is just > a mirror of > >it. The point(s) of contact are on this line and since the line and > >contact point can be thought of as an unwinding string, the > sum of the > >contact points forms an involute of the base circle. > > > >I have Synergy, but I am trying to come up with an open-source gear > >utility. I have a way to go. > >-- > >Kirk Wallace > >http://www.wallacecompany.com/machine_shop/ > >http://www.wallacecompany.com/E45/index.html > >California, USA > > > > > >------------------------------------------------------------- > ----------------- > >Crystal Reports - New Free Runtime and 30 Day Trial > >Check out the new simplified licensing option that enables > >unlimited royalty-free distribution of the report engine > >for externally facing server and web deployment. > >http://p.sf.net/sfu/businessobjects > >_______________________________________________ > >Emc-users mailing list > >[email protected] > >https://lists.sourceforge.net/lists/listinfo/emc-users > > ______________ > Andre' B. > > > -------------------------------------------------------------- > ---------------- > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity > professionals. Meet > the minds behind Google Creative Lab, Visual Complexity, > Processing, & > iPhoneDevCamp asthey present alongside digital heavyweights > like Barbarian > Group, R/GA, & Big Spaceship. http://www.creativitycat.com > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://www.creativitycat.com _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
